Search Results - "Sherwood, P.G."
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Combined forward error control and packetized zerotree wavelet encoding for transmission of images over varying channels
Published in IEEE transactions on image processing (01-06-2000)“…One method of transmitting wavelet based zerotree encoded images over noisy channels is to add channel coding without altering the source coder. A second…”
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Journal Article -
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Progressive image coding for noisy channels
Published in IEEE signal processing letters (01-07-1997)“…We cascade an existing image coder with carefully chosen error control coding, and thus produce a progressive image compression scheme whose performance on a…”
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Journal Article -
3
Error protection for progressive image transmission over memoryless and fading channels
Published in IEEE transactions on communications (01-12-1998)“…Product channel codes are proposed to protect progressively compressed and packetized images for noisy channels. Within packets, the product code uses the…”
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Journal Article -
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Error protection of wavelet coded images using residual source redundancy
Published in Conference Record of the Thirty-First Asilomar Conference on Signals, Systems and Computers (Cat. No.97CB36136) (1997)“…We investigate the residual redundancy in the Shapiro (1993) and Said-Pearlman (see IEEE Transactions on Circuits and Systems for Video Technology, vol.6,…”
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Conference Proceeding
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Channel code blocklength and rate optimization for progressive image transmission
Published in WCNC. 1999 IEEE Wireless Communications and Networking Conference (Cat. No.99TH8466) (1999)“…We investigate the problem of selecting blocklength and code rate for progressive image transmission, motivated by turbo coding methods where the performance…”
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Conference Proceeding -
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Efficient image and channel coding for wireless packet networks
Published in Proceedings 2000 International Conference on Image Processing (Cat. No.00CH37101) (2000)“…We combine multiple description (MD) quantization, entropy coding, and data partitioning to improve the error resiliency of images over varying packet loss…”
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Conference Proceeding -
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Progressive image coding on noisy channels
Published in DCC (Los Alamitos, Calif.) (1997)“…Numerous sophisticated techniques have been developed over the last several decades to efficiently transmit images across noisy channels. Here, we cascade an…”
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Conference Proceeding Journal Article -
8
Image transmission over channels with bit errors and packet erasures
Published in Conference Record of Thirty-Second Asilomar Conference on Signals, Systems and Computers (Cat. No.98CH36284) (1998)“…We consider a hybrid mixture of an image coder for bit error channels and an image coder for packet erasure channels. The first scheme uses rate-compatible…”
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Conference Proceeding -
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Error protection for progressive image transmission over memoryless and fading channels
Published in Proceedings 1998 International Conference on Image Processing. ICIP98 (Cat. No.98CB36269) (1998)“…A product channel code is proposed to protect progressively compressed and packetized image data that is transmitted across noisy channels. Across packets, the…”
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Conference Proceeding -
10
Progressive image coding with spatially variable resolution
Published in Proceedings of International Conference on Image Processing (1997)“…We present a wavelet-based progressive image coding system that allows the specification of regions of interest to alter the spatial allocation of future…”
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Conference Proceeding -
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Error protection for low rate speech transmission over a mobile satellite channel
Published in [Proceedings] GLOBECOM '90: IEEE Global Telecommunications Conference and Exhibition (1990)“…The authors examine the error protection strategies for a high-quality code-excited linear predictive (CELP) vocoder to be used for mobile satellite…”
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Conference Proceeding